to engage in the battle of the sky.

"Prince, we are going to get wet, I'm very much afraid," Grace
exclaimed. "And yet-- well, we'll try a little faster pace!"

She touched the animal lightly with the crop, and he fairly leaped
into greater speed. But it was only too evident that they could not
escape the storm. The clouds were more lowering now, and the bursts of
thunder followed more quickly on the heels of the lightning flashes.
Then came a few angry dashes of rain, as though to give sample of what
was to follow.

"Come, Prince!" cried Grace.

Suddenly from behind there came another sound. It was the deep
staccato of the exhaust of an automobile, with opened muffler. It was
tearing along the road.

Grace glanced back and saw a low, dust-covered racing car, rakish and
low-hung, swinging along. It was evident that the occupants-- two
young men-- were putting on speed to get to some shelter before the
storm broke in all its fury.

Prince jumped nervously and shied to one side at the sound of the
on-coming car.

"Quiet, old fellow," said Grace, soothingly.

The car shot past her, and at the same moment Prince waltzed to one
side, or else the car swerved, so that only by the narrowest margin